Marshall Wace’s CeriBell Inc CBLL Stock Holding History

Marshall Wace’s Portfolio CBLL Stock Details CBLL Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-45,061	Closed	-$988K	–	3768
2025 Q4	$988K	Sell	45,061 -1,715	-4%	-$26.6K	﹤0.01%	1941
2025 Q3	$537K	Buy	46,776 +2,633	+6%	+$35.5K	﹤0.01%	2205
2025 Q2	$827K	Buy	44,143 +12,928	+41%	+$220K	﹤0.01%	1930
2025 Q1	$600K	Hold	31,215	–	–	﹤0.01%	2002
2024 Q4	$808K	Buy	+31,215	New	+$850K	﹤0.01%	1830

Other funds holding CBLL

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

TGA

TPG GP A Fort Worth, Texas $3.68B AUM 14.99% 1-Year Est. Return

RTM

Red Tree Management Redwood City, California $112M AUM 91.52% 1-Year Est. Return

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

KCM Capital Shawnee, Kansas $622M AUM

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

Federated Hermes Pittsburgh, Pennsylvania $61.5B AUM 30.7% 1-Year Est. Return

Franklin Resources San Mateo, California $408B AUM 30.18% 1-Year Est. Return

Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

Marshall Wace's CBLL Position: Q1 2026 in Review

Marshall Wace sold out of CeriBell Inc (CBLL) in Q1 2026, closing a stake of 45,061 shares — an estimated $988K sold.

Marshall Wace first reported a position in CBLL in Q4 2024 and held it in 5 quarters. The position peaked at $988K in Q4 2025. 122 funds tracked by Wall St. Rank hold CBLL as of Q1 2026.

Marshall Wace reported no remaining CeriBell Inc position as of Q1 2026 after selling out during the quarter.
Marshall Wace sold 45,061 CeriBell Inc shares in Q1 2026, an estimated $988K.
Marshall Wace first reported a position in CeriBell Inc in Q4 2024 and held it in 5 quarters.
Marshall Wace's CeriBell Inc position peaked at $988K in Q4 2025.
122 funds tracked by Wall St. Rank held CeriBell Inc as of Q1 2026.

Based on Marshall Wace's 13F filing for Q1 2026, filed 15 May 2026.